Match the explanations in Column B with words and expressions in Columna. (搭配每
Types of Computer
Computer can be generally cassified by size and power as ollwing, though there is
considerable overlap among them.
A minicomputer refers to a small, single-user computer based on a microprocessor, with
a keyboard for entering data, a monitor for displaying information, and a storage device for
A personal computer is a powerful, single-user computer, which, though looking like a
microcomputer, has a more powerful microprocessor and a higher-quality monitor.
A workstation stands as a multi-user computer capable of supporting from 10 to
hundreds of terminals (终端) or users simultaneously (同时地).
A Supercomputer synonymous with “giant”, is the name for a powerful multi-user
computer which supports hundreds of thousands of users at the same time.
A mainframe describes an extremely fast computer that can perform hundreds of
millions of instructions per second.
Personal Computer. 个人计算机
This is a display. The display is on the system unit. 这是个显示，这个显示在系统单元上
That is a printer. The printer is by the display and system unit. 那是打印机。打印机由显示器和系统单元组成。
This is a disk drive. The disk drive is in the system unit. 这是磁盘驱动器。磁盘驱动器在系统单元中。
This is a keyboard, and that is a mouse, The keyboard and mouse are before the systerm unit
and display. 这是一个键盘，然后这个是鼠标，键盘和鼠标都是在系统前单元和显示器上显示的。
That is a modem. The modem is by the system unit, too. 那是调制解调器。调制解调器也是由系统单元。
They are basic hardware components of a personal computer systcem. 它们是个人计算机系统的基本硬件组件。